Auditory nervous system plasticity: application to cochlear implantation [Abstract]
AuthorClark, Graeme M.
Source TitleAbstract book IFOS Sydney '97
University of Melbourne Author/sClark, Graeme
Document TypeConference Item
CitationsClark, G. M. (1997). Auditory nervous system plasticity: application to cochlear implantation [Abstract]. In Abstract book IFOS Sydney '97, Sydney.
Access StatusOpen Access
There are two types of plasticity in the central auditory nervous system. The first type occurs during the development of neural connections within a critical period after birth. The second type of plasticity results from a change in the central representation of neurons in the mature animal after neural connectivity has been established. Evidence of a critical period for plasticity central auditory system has been demonstrated in the ferret where a marked loss of neurons in the cochlear nucleus occurs after ablation of the cochlea five days after birth (Moore, 1990). However, ablation of the cochlea 24 days post-partem (i.e. a week before the onset of hearing) has little effect.
Keywordsotolaryngology; cochlear implants; plasticity; auditory nervous system
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- Graeme Clark Collection